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# C2 Edexcel Jan 2005 Markscheme watch

1. Just to let everyone know I have the unofficial mark scheme on my website (link in my signature). Please tell me if I need to make any corrections!
2. question 2)b
diameter = √208
radius = ½√208 = √52

Therefore; (x-9)² + (y-5)² = 52

better than 7.2²
3. 8)b
Answer = 57 and 1/6
108.5 - 51.333333 = 57.16666 not 34.6
4. It says 343/6 as it asks for the exact value, not 34.6 (sorry if it is not clear)

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